Pith Number

pith:KF5QK4DM

pith:2004:KF5QK4DMEZZCTJ3MJSEUSR4WUV

not attested not anchored not stored refs pending

Localized states ("qubits"), entanglement and decoherence from Wigner zoo

Antonina N. Fedorova, Michael G. Zeitlin

arxiv:quant-ph/0405044 v1 · 2004-05-10 · quant-ph · nlin.PS · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KF5QK4DMEZZCTJ3MJSEUSR4WUV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:37:58.583036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

517b05706c267229a76c4c89494796a5422468bcf0228b1c61acfaeaed16801b

Aliases

arxiv: quant-ph/0405044 · arxiv_version: quant-ph/0405044v1 · doi: 10.48550/arxiv.quant-ph/0405044 · pith_short_12: KF5QK4DMEZZC · pith_short_16: KF5QK4DMEZZCTJ3M · pith_short_8: KF5QK4DM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KF5QK4DMEZZCTJ3MJSEUSR4WUV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 517b05706c267229a76c4c89494796a5422468bcf0228b1c61acfaeaed16801b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01ca9456efdae958a7ecfd30e967f45a72722cd5c5f1e0368b83001cb4e6c032",
    "cross_cats_sorted": [
      "nlin.PS",
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-05-10T14:25:56Z",
    "title_canon_sha256": "26e98e9ce2a8e4ca7184b461339300597d287a7c099bdc76f660561cbab924f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0405044",
    "kind": "arxiv",
    "version": 1
  }
}